Mercedes-AMG has revealed the 2015 C63 and C63 S in both Sedan and Estate trim ahead of its world debut at the 2014 Paris Motor Show.

After images and minor details for the all-new Mercedes-AMG C63 sedan and estate (wagon) were leaked on a Mercedes-Benz website 24-hours before they should have been, the brand has rushed out a full suite of images and details. As you’ve no doubt read elsewhere, the all-new C63 does away with the old model’s 6.3-litre V8 in favour of a 4.0-litre bi-turbo V8 (a sister engine to the one under the bonnet of the Mercedes-AMG GT).

The new 4.0-litre twin-turbocharged V8 thumps out 350kW in the C63 and 375kW in the C63 S with torque at 650Nm (from 1750-4500rpm) and 700Nm (from 1750-4500rpm), respectively. With dynamic engine mounts, Mercedes-Benz says “reduce unwanted vibration from the engine and gearbox by softening during normal driving conditions – when greater agility is required, they stiffen to improve responses through the speed-sensitive, electromechanical steering system and limit unwanted movement in the drivetrain”. A revised version of Merc’s seven-speed AMG SpeedShift MCT transmission is used on both the C63 and C63 S.

Indeed, Mercedes is promising the new C63 and C63 S will “retain the agility that made the model it replaces the most popular AMG ever created”. At the front, the C63 runs four-link suspension, independent steering knuckles and a wider track for improved stability, while at the rear the multi-link system uses independent mounts and an increase in negative camber. Both are linked to the AMG Ride Control system, which operates via electronically-controlled three-stage dampers – ranging from comfort, normal and track settings. A mechanical locking rear differential is fitted to the C63, with an electronic version for the C63 S.

Every C63 is fitted with 245/40 R18 (front) and 265/40 R18 (rear) tyres while the C63 S gets 245/35 R19 (front) and 265/35 R19 (rear) tyres. Brakes are 390mm discs at the front and 360mm at the rear with the cost-option of ceramic discs. The C63 Sedan weighs from 1715kg while the Estate (wagon) weighs from 1785kg (including fuel and the driver).

While there have been some key mechanical changes for the new C63, there have also been some changes to the look both inside and out. Besides the new-look front and rear bumpers there are big, gaping air dams in the front to help feed air into the intercoolers. Around at the back there’s a new bootlid spoiler on the sedan and one just above the tailgate glass on the Estate; quad pipes complete the look.

Inside, the C63 gets deep bucket seats and an AMG-specific wheel and dials – the seats can be had in a variety of finishes. The AMG Ride Control and cost-optional AMG performance exhaust system and the three-stage gearbox modes are grouped around the Touchpad controller.

The Mercedes-AMG C63 is expected Down Under in 2015 and pricing and final specifications will be announced closer to the local launch.